<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>CSS指定行间距</title>
    <style>
        p
        {
            line-height: 50px;
        }
    </style>
</head>
<body>
<p>
    dtcfvgbhjnk
    <br>
    srxdtcfvygbhjn
    <br>
    zrxdtcfyvgubhinjo
    <br>
    werxdctfvygbuhin提出负于古巴和南京
    <br>
    fcyvghbj
</p>

</body>
</html>